IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Blueprint used in the development of ...

The Model CR Combination Installation Machine is capable of installing three completely different size pins. The base machine has three vibratory feeders and three pin orientation heads. A selector ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...